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South Indian class M
Chief engineer Robert White had five ten-wheelers built for mail traffic on the meter-gauge lines of the South Indian, including those leading to Ceylon. These used the BESA standard design and came from Hawthorn, Les...
| South Indian class MRemove | |
|---|---|
| Variant | Standard |
| Built | 1913 |
| Manufacturers | Hawthorn, Leslie & Co. |
| Wheel arrangement | 2C |
| Gauge | 1000 mm |
| Length | |
| Service mass | 35871 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | South Indian class M Standard Remove |
|---|---|
| Built | 1913 |
| Manufacturers | Hawthorn, Leslie & Co. |
| Wheel arrangement | 4-6-0 (Ten-wheeler) |
| Gauge | 1,000 mm |
Dimensions and weights
| Property | South Indian class M Standard Remove |
|---|---|
| Wheelbase | 6.44 m |
| Total wheelbase | 12.85 m |
| Service mass | 35.9 t |
| Adhesion mass | 27.4 t |
| Total mass | 60.9 t |
| Rigid wheelbase | 3.66 m |
| Axle load | 9.1 t |
| Water capacity | 9,093 l |
| Fuel capacity | 5.6 t (coal) |
Boiler
| Property | South Indian class M Standard Remove |
|---|---|
| Grate area | 1.486 m² |
| Firebox surface | 10.034 m² |
| Tube heating surface | 66.018 m² |
| Evaporative heating surface | 76.051 m² |
| Superheater surface | 18.079 m² |
| Total heating surface | 94.1 m² |
Power plant
| Property | South Indian class M Standard Remove |
|---|---|
| Driver diameter | 1,448 mm |
| Boiler pressure | 11.7 bar |
| Expansion type | simple expansion |
| Cylinders | two, 419 x 559 mm |
Power
| Property | South Indian class M Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 522 kW (710 PS) |
| Starting effort | 67.5 kN |
Calculated values
| Property | South Indian class M Standard Remove |
|---|---|
| Factor of adhesion | 1 : 3.98 |
| Optimal speed | 47 km/h |
| Power-to-weight ratio | 14.6 kW/t |
| Heating Surface Equivalent | 162.4 m² |
| Cylinder volume/HSE | 1 : 949.47 |
| Adhesive weight/Total | 1 : 1.31 |
| Tractive force/Heating surface | 1 : 14.99 |
| Grate area/Heating surface | 1 : 63.34 |
| Firebox/Tube surface | 1 : 6.58 |
| Total/Superheater | 1 : 4.21 |
